.left{
	background-image: url("../images/2.png");
	background-size:cover;
	float:left;
	font-weight: 500;
	width: 15%;
	height:1000px;
	margin:10px 10px 10px 15px;
	padding:10px;
	border-radius:20px;
	text-align: center;
}
#right{
	background-image:url(../images/1.jpg);
	background-size:cover;
	border:0;
	padding:10px;
	width:75%;
	height:1000px;
	margin:10px 20px 10px 10px;
	border-radius:20px;
}
.dao_wrap{
	height: 670px;
	overflow: hidden;
}
.dao{
	position: relative;
	top:0px;
	height: 100%;

}
.dao a{
	font-size:20px;
	color:white;
	text-decoration: none;
}
.dao a:hover{
	display:block;
	padding:5px 10px;
	background-color:white;
	color:black;
	transition:0.5s;
}
.dao li{
	padding:20px;
}
.content{
	text-align: center;	
}
.word{
	margin:50px 20px;
	font-size:20px;
}
#choose a{
	font-size:20px;
	color:gray;
	text-decoration: none;
}
#program{
	margin:0 0 0 560px;
}
.up{
	height:40px;
	padding-top: 20px;
}
.down{
	height:40px;
	padding-top: 20px;
}
.up:hover{
	background:rgba(65,105,225,0.5);
	cursor:pointer;
}
.down:hover{
	background:rgba(65,105,225,0.5);
	cursor:pointer;
}

.goto_{
	font-size: 16px;
}
.goto_ span{
	display: block;
}
.goto_ input{
	height: 20px;
	width: 50px;
}
.goto_ button{
	display: block;
	margin-left:15px;
	margin-top: 10px;
	width: 80%;
	height: 30px;
}